LA/Ontario International Airport (ONT) is a dynamic airport that creates, attracts and supports economic activity in the Inland Empire and throughout Southern California. According to a 1992 study, ONT has an annual economic impact of $5.4 billion. Of this, $413 million is generated by aviation activity on or near the airport, $1.5 billion is generated off-airport by expenditures related to the use of aviation services, and $3.5 billion is generated by money that is re-spent and circulated through the local economy.

ONT creates jobs. More than 7,690 jobs, directly attributable to ONT, are located on the airport. An additional 55,000 jobs, spread throughout the region, are indirectly attributable to ONT.